Impact of Magneto-optical Properties Depending on the Orientation in the Plane of Cobalt Ferrite Locked in a Silica Matrix
Nandiguim Lamai, Désiré Allassem, Alexis Mouangué Nanimina, Djimako Bongo, Togdjim Jonas
Asian Journal of Physical and Chemical Sciences · pp. 46–50 · Published 13 Dec 2021
10.9734/ajopacs/2021/v9i330140Abstract
In this work, we discuss the magneto-optical properties according to the orientation of 15nm-sized cobalt ferrite blocked in a silica matrix in comparison to the study done on 20nm-sized cobalt ferrite. This measurement shows that it is possible to increase the remanence of the Faraday effect by creating a magnetic orientation in the solid matrix, which is interesting for the production of self-polarized components. In addition, this remanence is greater for 15 nm than for 20 nm.A gelation field applied perpendicular to the plane of the layer therefore produces a preferential orientation of the magnetic moments in the direction of the field applied during the measurement.
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